Exploring this centuries-old abandoned fortress is like stepping into its dark past. During its tenure as a notorious prison, its walls witnessed a history tainted with torture and brutal executions.

A fortress has towered over the city for thousands of years. It was first constructed during the Byzantine era, though this most recent version was rebuilt by the Ottomans after they conquered the city in the 1400s. It goes by a few names: Heptapyrgion, Eptapyrgio, and Yedi Kule, all of which...